[sudo-discuss] weird power supply

[robb]

hi,
i found a digidesign 882 i/o audio interface on the sidewalk this weekend
w/o a power supply.

the specs for psu:

Input: 100-240 Vac
EING 50/60 Hz
1.0A Max
Output: +5Vdc/3.0A
+15Vdc/2.0A
-15Vdc/0.5A
36W Max

UMEC
AC Adapter UP0403A-03P

can i just use an inverting op amp on a 5v 12v power supply & be done?
or is 3v too big a difference (15v may just be for balancing the analog
signal)?

on the other hand, if anyone knows where to get a psu matching the above
specs, that would be stellar too!

thx
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